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chose 2 numbers whose sum is -18

4.5
5.5
-23 1/2
-24 3/4
-22 1/2
6.75

1 answer

To find two numbers whose sum is -18 from the provided options:

  • 4.5
  • 5.5
  • -23 1/2 (which is -23.5)
  • -24 3/4 (which is -24.75)
  • -22 1/2 (which is -22.5)
  • 6.75

Let's explore pairs:

  1. -23.5 + 5.5 = -18 (This works)

  2. -24.75 + 6.75 = -18 (This also works)

Both pairs of numbers (-23.5 and 5.5) and (-24.75 and 6.75) sum to -18.

Therefore, you can choose either of these pairs.